Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
dung cong » dung trong
tran tuan » tran xuan, tran quang, tran thanh
trung va » truong va, trang va, trung ha
cong tan » cong tac, cong san, cong thanh
tran tap » toan tap, tran tan, trang tai
va dung » van dung, va duong, vat dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu tinh) or (cuu tinh)) - thanh trung va dung cong tan ((tran tap) OR (tran tuan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (cuu tinh)) - thanh trung va dung cong tan ((tran tap) OR (tran tuan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) or (cuu tinh)) - thanh trung va dung cong tan ((tran tap) OR (tran tuan))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (cuu tinh)) - thanh trung va dung cong tan ((tran tap) OR (tran tuan))*.